From 3bdad1e40d11aad31f2322f21e943c31ef20d9da Mon Sep 17 00:00:00 2001
From: Nicholas Swenson <nks@daterainc.com>
Date: Mon, 11 Nov 2013 19:36:25 -0800
Subject: [PATCH] bcache: Add bch_bkey_equal_header()

Checks if two keys have equivalent header fields.
(good enough for replacement or merging)

Used in bch_bkey_try_merge, and replacing a key
in the btree.

Signed-off-by: Nicholas Swenson <nks@daterainc.com>
Signed-off-by: Kent Overstreet <kmo@daterainc.com>
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Reading git-format-patch failed